666608

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{683}}^1$

素因数の和:752

約数の個数: 20

約数和(自身を含む): 1314648

約数和(自身を除く): 648040

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 683, 976, 1366, 2732, 5464, 10928, 41663, 83326, 166652, 333304, 666608]

約数ペア:

[(1, 666608), (2, 333304), (4, 166652), (8, 83326), (16, 41663), (61, 10928), (122, 5464), (244, 2732), (488, 1366), (683, 976)]